How the Moon was Made: One Theory Animated

A Mars-sized body collides with the infant Earth in this narrated mini-documentary, an excerpt from the Starry Night DVD "Atlas of the Sky"

Credit: Dave Brody & Dana Berry

In the News

Birds, Climate Change, and Citizen Science

Cornell University is tracking bird breeding biology and the impact of climate change on bird ...

Play Video
Make Way for Ducklings

What happens to the size and health of ducklings if their mothers ...
The Science of How Music is Made

A team of engineers and musicians are helping uncover some ...
How to Time Travel

How can you swim upstream in the river of time? Physicists Charles ...